| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | 397 |
12.3%
|
|
| 1 | Yes | 2409 |
74.6%
|
| 2 | No | 422 |
13.1%
|
| 9 | Don't know | 2 |
0.1%
|
| Sysmiss | 2130 |